4" to 3" Inch Round Duct Reducer - Male Fit Galvanized Steel Pipe Increaser - Coupling for Round Duct Ventilation Systems - Heating & Cooling HVAC - Vent Pipe Adapter, Duct Connector
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Product details
| Management number | 218916643 | Release Date | 2026/05/03 | List Price | $5.59 | Model Number | 218916643 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
- FITS INSIDE 4” AND 3.15” ROUND DUCTS – Overall length: 3.94". Large end diameter: Ø3.94". Small end diameter: Ø3.11". Insertion depth (large side): 1.18". Insertion depth (small side): 1.57". Both openings are designed as male fittings for secure duct-to-duct connections.
- BUILT TO LAST – GALVANIZED STEEL CONSTRUCTION – Strong corrosion-resistant metal for long-term performance in residential or commercial heating and cooling systems.
- SECURE CONNECTION WITH RAISED LIPS – Both ends feature male fittings with rolled lips to ensure a snug grip when connecting pipes. Sealing is recommended for a tighter fit. For rigid connections, secure with aluminum tape, rivets or adhesive. For flexible connections, secure with hose clamps.
- QUICK INSTALLATION & UNIVERSAL COMPATIBILITY – The duct reducer easily connects different duct sizes – works with extractor fans, inline fans, range hoods, flexible duct hose and dryer vents. The duct adapter is suitable for pellet stove exhaust pipe, metal conduit pipe or dryer vent hose ducting connections.
- IDEAL FOR INDOOR HVAC PROJECTS – The dryer vent adapter is perfect for home ventilation, basement setups, grow tents, stove pipe, hydroponics, air conditioner or office air movement solutions. Exhaust hose adapter for home improvement.
| Size | 4" Inch to 3" Inch |
|---|---|
| Color | Gray |
| Brand Name | HVAC OV |
| Unit Count | 1.0 Count |
| Item Weight | 0.01 Ounces |
| Thread Type | NPT |
| Manufacturer | HVAC OV |
| Material Type | Galvanized Steel |
| Connector Type | Reducer |
| Exterior Finish | Galvanized |
| Item Dimensions | 4.05 x 4.05 x 3.81 inches |
| Number of Pieces | 1 |
| Included Components | Round Duct Reducer |
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Ducting
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